| Short – Form | Long Form |
| AC | Alternating Current |
| ACPI | Advanced Configuration And Power Interface |
| AGP | Accelerated Graphics Port |
| ALU | Arithmetic &Logical Unit |
| AOL | America Online |
| API | Application Programming Interface |
| ARPANET | Advanced Research Projects Agency Network |
| ASCII | American Standard Code for Information Interchange |
| ASP | Active Server Pages Or Application Service Provider |
| ATA | Advanced Technology Attachment |
| ATM | Automated Teller Machine Or Asynchronous Transfer Mode |
| B2B | Business-To–Business |
| B2C | Business-To–Consumer |
| BCD | Binary-Coded Decimal |
| BIOS | Basic Input Output System |
| Bps | bits per second |
| C2C | Consumer-To– Consumer |
| CAD | Computer-Aided Design |
| CAM | Computer-Aided Manufacturing |
| CD | Compact Disc |
| CDMA | Code Division Multiple Access |
| CD-R | Compact Disc-Recordable |
| CD-ROM | Compact Disc – Read-Only Memory |
| CD-RW | Compact Disc –Rewritable |
| CHAP | Challenge Handshake Authentication Protocol |
| CISC | Complex Instruction Set Computing |
| CMOS | Complementary Metal Oxide Semiconductor |
| CMYK | Cyan, Magenta, Yellow, And Black(4 Colour Channel ) |
| CPU | Central Processing Unit |
| CRT | Cathode Ray Tube |
| CU | Control Unit |
| CUI | Character User Interface |
| DAP | Directory Access Protocol |
| DBMS | Database Management System |
| DC | Direct Current |
| DDR-RAM | Double Data Rate – Random Access Memory |
| DIMM | Dual Inline Memory Module |
| DIMM | Dual Inline Memory Module |
| DIP | Dual Inline Package |
| DMA | Direct Memory Access |
| DNS | Domain Name System/Services |
| DOS | Disk Operating System |
| DPI | Dot Per Inches |
| DSL | Digital Subscriber Line |
| DTP | DeskTop Publication |
| DVD | Digital Versatile Disc Or Digital Video Disc |
| DVI | Digital Video Interface |
| EBCDIC | Extended Binary Coded Decimal Interchange Code |
| E-Book | Electronic Book |
| EEPROM | Electrically Erasable Programmable Read Only Memory |
| E-Mail | Electronic Mail |
| ENIAC | Electronic Numerical Integrator and Calculator |
| EPROM | Electrically Programmable Read-Only Memory |
| FAT | File Allocation Table |
| FM | Frequency Modulation |
| FTP | File Transfer Protocol |
| GB | Gigabyte (10243) |
| GIF | Graphics Interchange Format |
| GPL | General Public License |
| GPS | Global Positioning System |
| GSM | Global System for Mobile Communications |
| GUI | Graphical User Interface |
| HDD | Hard Disk Drive |
| HDTV | High-Definition TeleVision |
| HTML | Hypertext Markup Language |
| HTTP | Hypertext Transfer Protocol |
| Hz/MHz/GHz | Hertz / Megahertz / Gigahertz |
| I/O | Input &Output |
| IBM | International Business Machine |
| IDE | Integrated Drive Electronics |
| IM | Instant Messaging |
| IP | Internet Protocol or Internet Provider |
| IRC | Internet Relay Chat |
| IRQ | Interrupt Request |
| ISDN | Integrated Services Digital Network |
| ISO | International Organization for Standardization |
| ISP | Internet Service Provider |
| IT | Information Technology |
| IVR | Interactive Voice Response |
| JPEG / JPG | Joint Photographic Experts Group |
| KB | Kilobyte(A Unit Of Information Storage Equal To 1,024 Bytes.) |
| Kbps/Mbps | Kilobits Per Second / Megabits Per Second |
| LAN | Local Area Networking |
| LCD | Liquid Crystal Display |
| LED | Light-Emitting Diode |
| LSI | Large-Scale Integration |
| MAN | Metropolitan Area Networking |
| MBR | Master Boot Record |
| MICR | Magnetic Ink Character Recognition |
| MIDI | Musical Instrument Digital Interface |
| MIPS | Millions Of Instructions Per Second |
| MODEM | Modulator Demodulator |
| MPEG | Motion Pictures Expert Group |
| MSI | Medium-Scale Integration |
| MU | Memory Unit |
| NIC | Network Interface Card or Network Information Center. |
| NIS | Network Interface Card |
| NOS | Network Operating System |
| NTFS | New Technology File System |
| NTSC | National Television System Committee. |
| OCR | Optical Character Recognition |
| ODBC | Open Database Connectivity |
| OLE | Object Linking And Embedding |
| OMR | Optical Mark Recognition |
| OS | Operating System |
| PAP | Printer Access Protocol |
| PC | Personal Computer |
| PCB | Printed Circuit Board |
| PCI | Peripheral Component Interconnect |
| PDA | Personal Digital Assistant |
| PDF | Portable Document Format |
| PDF | Portable Document Format |
| PIM | Personal Information Manager |
| PIN | Personal Identification Number |
| PnP | Plug And Play |
| POP | Post Office Protocol |
| POST | Power On Self-Test |
| PPP | Point-to-Point Protocol |
| PROM | Programmable Read Only Memory |
| RAID | Redundant Array Of Independent Disks |
| RAM | Random Access Memory |
| RGB | Red, Green, Blue (3 Colour Channel) |
| RISC | Reduced Instruction Set of Computer |
| ROM | Read Only Memory |
| S.M.A.R.T. | Self-Monitoring Analysis And Reporting Technology |
| SATA | Serial Advanced Technology Attachment |
| SCSI | Small Computer System Interface |
| SD-RAM | Static Dynamic – Random Access Memory |
| SIMM | Single Inline Memory Module |
| SIMM | Single Inline Memory Module |
| SMPS | Switch Mode Power Supply |
| SMS | Short Message Service |
| SMTP | Simple Mail Transfer Protocol |
| SQL | Structured Query Language |
| SSD | Solid-State Disk |
| SSI | Small-Scale Integration |
| SVGA | Super Video Graphics Array |
| SXGA | Super Extended Graphics Array |
| TB | Terabyte (10244) |
| TCP | Transmission Control Protocol |
| TFT | Thin Film Transistor |
| ULSI | Ultra-Large-Scale Integration |
| UPC | Universal Product Code |
| UPS | Uninterruptible Power Supplies |
| URL | Uniform Resource Locator |
| USB | Universal Serial Bus |
| UXGA | Ultra Extended Graphics Array |
| VDU | Video Display Unit. |
| VGA | Video Graphics Array or Video Graphics Adapter |
| VLSI | Very-Large-Scale Integration |
| VPN | Virtual Private Network |
| VRML | Virtual Reality Modeling Language |
| WAN | Wide Area Networking |
| WORM | Write-Once, Read Many |
| WWW | World Wide Web |
| XGA | Extended Graphics Array |
| XML | Extensible Markup Language |
